<template>
	<view>
		<view class="search-box">
			<uni-search-bar  @input="input" :radius="100" cancelButton="none"></uni-search-bar>
		</view>
		<view class="sugg-list"  v-if="searchResults.length !== 0">
		  <view class="sugg-item" v-for="(item, i) in searchResults" :key="i" @click="gotoDetail(item.goods_id)">
		    <view class="goods-name">{{item.goods_name}}</view>
		    <uni-icons type="arrowright" size="16"></uni-icons>
		  </view>
		</view>
		<view class="history-box" v-else>
		  <view class="history-title">
		    <text>搜索历史</text>
		    <uni-icons type="trash" size="17"  @click="clean"></uni-icons>
		  </view>
		  <view class="history-list">
		    <uni-tag :text="item" v-for="(item, i) in historyList" :key="i"  @click="gotoGoodsList(item)"></uni-tag>
		  </view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				timer:null,
				kw:'',
				searchResults: [],
				historyList: []
			};
		},
		onLoad() {
		  this.historyList = JSON.parse(uni.getStorageSync('kw') || '[]')
		},
		methods:{
			confirm() {
						
			},
			input(e){
				clearTimeout(this.timer)
					this.timer = setTimeout(() => {
						this.kw = e
						console.log(this.kw)
						this.getSearchList()
					}, 500)
			},
			async getSearchList() {
				if (this.kw === '') {
					this.searchResults = []
					return
				}
				const { data: res } = await uni.$http.get('/api/public/v1/goods/qsearch', { query: this.kw })
				if (res.meta.status !== 200) return uni.$showMsg()
				this.searchResults = res.message
				this.saveSearchHistory()
			},
			gotoDetail(goods_id) {
			  uni.navigateTo({
			    url: '/subpkg/goods_drtail/goods_drtail?goods_id=' + goods_id
			  })
			},
			 saveSearchHistory() {
				 const set = new Set(this.historyList)
				  set.delete(this.kw)
				  set.add(this.kw)
				  this.historyList = Array.from(set)
				    uni.setStorageSync('kw', JSON.stringify(this.historyList))
			  },
			  clean() {
				this.historyList = []
				uni.setStorageSync('kw', '[]')
			},
			gotoGoodsList(kw){
				uni.navigateTo({
				    url: '/subpkg/goods_list/goods_list?query=' + kw
				  })
			}
		},
		computed: {
		  histories() {
		    return [...this.historyList].reverse()
		  }
		}
	}
</script>

<style lang="scss">
.search-box {
  position: sticky;
  top: 0;
  z-index: 999;
}
.sugg-list {
	  padding: 0 5px;
	
	  .sugg-item {
	    font-size: 12px;
	    padding: 13px 0;
	    border-bottom: 1px solid #efefef;
	    display: flex;
	    align-items: center;
	    justify-content: space-between;
	
	    .goods-name {
	      white-space: nowrap;
	      overflow: hidden;
	      text-overflow: ellipsis;
	      margin-right: 3px;
	    }
	  }
	}
	.history-box {
		  padding: 0 5px;
		
		  .history-title {
		    display: flex;
		    justify-content: space-between;
		    align-items: center;
		    height: 40px;
		    font-size: 13px;
		    border-bottom: 1px solid #efefef;
		  }
		
		  .history-list {
		    display: flex;
		    flex-wrap: wrap;
		
		    .uni-tag {
		      margin-top: 5px;
		      margin-right: 5px;
		    }
		  }
		}
</style>
